CN203127129U

CN203127129U - Paddle wheel propeller for ship

Info

Publication number: CN203127129U
Application number: CN 201320150038
Authority: CN
Inventors: 纪强
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-29
Filing date: 2013-03-29
Publication date: 2013-08-14
Anticipated expiration: 2023-03-29

Abstract

The utility model relates to a paddle wheel propeller for a ship. A plurality of paddle blade shafts are arranged on the circumference of each paddle wheel; each paddle blade shaft is fixedly connected with paddle blades; the shaft head of each paddle blade shaft is connected with the power output shaft of a speed reducer; the power input shaft of the speed reducer is connected with the power output shaft of an electric motor; driven chain wheels are arranged on one end of one or more paddle blade shafts of a one-stage paddle wheel; the paddle blade shafts are in chain connection with fixed chain wheels sleeved on a paddle wheel main shaft through the driven chain wheels and chains; the fixed chain wheels are fixedly connected with a ship body; each paddle blade shaft on the one-stage paddle wheel and a two-stage paddle wheel is provided with guide chain wheels; the adjacent guide chain wheels of each paddle blade shaft are in chain connection through the chains; one or more paddle blade shafts on the one-stage paddle wheel and the two-stage paddle wheel are provided with guided chain wheels; the guided chain wheels of the one-stage paddle wheel and the two-stage paddle wheel are in chain connection through the chains; and power loss can be effectively reduced by changing the water inlet and water outlet angles of the paddle blades, so that the work efficiency of the propeller is improved. Meanwhile, a novel and efficient paddle wheel propeller is provided for the ship.

Description

A kind of boats and ships paddlewheel propulsion device

Technical field

The utility model discloses a kind of paddlewheel propulsion device, be specially a kind of boats and ships paddlewheel propulsion device.

Technical background

Loading onto boats and ships as far back as steam engine provides the power front and back in one quite long period, boats and ships generally use paddle wheel as propelling unit, so people claim habitually also that now bigger boats and ships are " steamer ", but setting-out when paddlewheel propulsion device in the past is rotated down with paddle wheel because of paddle blade, lift water when rotating up, wasted a lot of power.Propeller has appearred in 1830s, but the screw propeller of propeller doing and the ship course lateral rotation in water, and it is that dip plane by blade produces forward thrust when rotated to pusher water.Because there are invalid friction in blade and water, and generation eddy flow and bubble, mechanical power loss is not little, so the propulsion coefficient of propeller also has only 75 60 percent to percent, up to now, people are also constantly exploring the work efficiency that how to improve marine propeller and are reducing power waste.

Summary of the invention

The purpose of this utility model provides a kind of boats and ships paddlewheel propulsion device, can reduce power waste, improves angle of rake work efficiency, for boats and ships provide a kind of new and effective paddlewheel propulsion device.

Scheme of the present utility model is: a kind of boats and ships paddlewheel propulsion device, comprise hull, stretch out the paddle wheel main shaft (8) of hull both sides, be contained in one-level paddle wheel (6) and secondary paddle wheel (1) on the paddle wheel main shaft, some paddle blade axles (3) are housed on each paddle wheel circumference, (9) limits of each paddle blade axle and paddle blade are connected, it is characterized in that: the spindle nose of described each paddle blade axle is connected with the power take-off shaft of retarder (12), the retarder power input shaft is connected with electrical motor (13) power take-off shaft, each retarder and electrical motor are contained on the paddle wheel circumference, and are electrically connected with paddle blade rotary corner controller (15) respectively by lead.

An end is equipped with driven sprocket (4) on one or more paddle blade axles of described one-level paddle wheel, the paddle blade axle links by driven sprocket, chain (5) and the fixed chain wheels (7) that is sleeved on the paddle wheel main shaft, fixed chain wheels is identical with diameter and the number of teeth of driven sprocket, and fixed chain wheels and hull are connected; Be equipped with on each paddle blade axle of one-level paddle wheel and secondary paddle wheel and lead movable sprocket (2), the adjacent movable sprocket of leading of each paddle blade axle links by chain, and the diameter of respectively leading movable sprocket is identical with the number of teeth; Be equipped with by chain cable fairlead (10) on one or more paddle blade axle on one-level paddle wheel and the secondary paddle wheel, being linked by chain by chain cable fairlead of one-level paddle wheel and secondary paddle wheel, respectively identical with the number of teeth by the diameter of chain cable fairlead.

Described secondary paddle wheel is a plurality of.

Want to reduce power waste, will make paddle blade with slight drag entry and water outlet, power will be used on paddle blade strikes, in order to reach this purpose, paddle blade need be being fit to the angle entry, after paddle blade is struck backward along the hull direction in water again to be fit to the angle water outlet.Paddle blade is connected with the paddle blade axle vertically downward, end at the paddle blade axle is equipped with driven sprocket, driven sprocket links by chain with fixed chain wheels, fixed chain wheels is connected motionless by fixed cover and hull, fixed chain wheels is identical with diameter and the number of teeth of driven sprocket, when the paddle wheel main shaft drives the paddle wheel rotation, the traction of driven sprocket by chain makes paddle blade remain state downward vertically around fixed chain wheels rotation synchronously, the paddle blade vertical water entry on the paddle blade axle and in water along the hull direction back water-exit vertically of striking backward; The spindle nose of each paddle blade axle is connected with the power take-off shaft of retarder, the retarder power input shaft is connected with the motor power output shaft, each retarder and electrical motor are contained on the paddle wheel circumference, and be electrically connected with the paddle blade rotary corner controller respectively by lead, can drive the rotation of paddle blade axle by the direct motor drive retarder, by the control of paddle blade rotary corner controller, make paddle blade in water, strike back with best angle water outlet along the hull direction with the best angle entry.The utility model has the advantages that: can reduce power waste by actv. by the angle that changes paddle blade entry and water outlet, improve the propelling unit work efficiency, provide a kind of new and effective paddlewheel propulsion device for boats and ships simultaneously.

Description of drawings

Fig. 1 is the structural representation that a kind of boats and ships of the utility model are used the paddlewheel propulsion device;

Fig. 2 is that a kind of boats and ships of the utility model are arranged scheme drawing with the paddle blade of paddlewheel propulsion device;

Fig. 3 is the chain gear scheme drawing that a kind of boats and ships of the utility model are used the paddlewheel propulsion device;

Fig. 4 is retarder and the motor position scheme drawing that a kind of boats and ships of the utility model are used the paddlewheel propulsion device;

Fig. 5 is paddle blade rotary corner controller and each sensor station scheme drawing that a kind of boats and ships of the utility model are used the paddlewheel propulsion device.

1 secondary paddle wheel, 2 is led movable sprocket, 3 paddle blade axles, 4 driven sprockets, 5 chains, 6 one-level paddle wheels, 7 fixed chain wheels, 8 paddle wheel main shafts, 9 paddle blades, 10 by chain cable fairlead, 11 actuators, 12 retarders, 13 electrical motors, 14 paddle blade shaft angle degree sensors, 15 paddle blade rotary corner controllers, 16 draft sensors, 17 water velocity sensors, 18 paddle wheel angle of eccentricity sensors among the figure.

The specific embodiment

Below in conjunction with accompanying drawing a kind of boats and ships of the present utility model are launched to describe with the paddlewheel propulsion device, a kind of boats and ships of present technique are the novel paddlewheel propulsion devices that a kind of boats and ships are used with the paddlewheel propulsion device, as everyone knows, setting-out when paddlewheel propulsion device in the past is rotated down with paddle wheel because of paddle blade, lift water when rotating up, a lot of power have been wasted, so substituted gradually by propeller institute afterwards, but because principle of work and the structure of screw propeller self determines its propulsion coefficient also to have only 75 60 percent to percent, make the power of boats and ships be converted into propelling thrust to greatest extent, unique desirable method is that to make the angle of rake parts of striking be the plane, and sculling direction faces the opposite direction that boats and ships are advanced all the time, in technology in the past, all propulsion modes do not accomplish that all the contriver is according to this theory, through exploratory development repeatedly, find that want the propulsion mode of realizing that this is desirable, a Gonna breakthrough conventional art carries out technical innovation with the paddlewheel propulsion device can be realized.

A kind of boats and ships paddlewheel propulsion device of the present utility model, comprise hull, stretch out the hull both sides paddle wheel main shaft 8, be contained in one-level paddle wheel 6 and secondary paddle wheel 1 on the paddle wheel main shaft, some paddle blade axles 3 are housed on each paddle wheel circumference, 9 one limits of each paddle blade axle and paddle blade are connected, paddle blade rotates with the rotation of paddle blade axle

An end is equipped with driven sprocket 4 on one or more paddle blade axles of described one-level paddle wheel, the paddle blade axle links by driven sprocket, chain 5 and the fixed chain wheels 7 that is sleeved on the paddle wheel main shaft, fixed chain wheels is identical with diameter and the number of teeth of driven sprocket, and fixed chain wheels and hull are connected; When the paddle wheel main shaft drives the paddle wheel rotation, because fixed chain wheels is fixed on the hull motionless, so driven sprocket makes the paddle blade axle carry out rotation under the affecting of chain, because of fixed chain wheels identical with diameter and the number of teeth of driven sprocket, so the paddle blade that can keep being connected on the paddle blade axle centers on the paddle wheel main axis rotation vertically downward always, paddle blade in water carries out the direction opposite with the hull direct of travel strikes, and drives boats and ships and advances forward.

In order to make mechanism simpler, be equipped with on each paddle blade axle of one-level paddle wheel and secondary paddle wheel and lead movable sprocket 2, the adjacent movable sprocket of leading of each paddle blade axle links by chain, and the diameter of respectively leading movable sprocket is identical with the number of teeth; Can reduce the fixed chain wheels quantity on the fixed cover like this, reduce chain length simultaneously, alleviate a kind of boats and ships of the utility model with the weight of paddlewheel propulsion device, also can play the auxiliary effect of strengthening, prevent that chain and driven sprocket are because of the paddle blade excessive generation slippage phenomenon of resistance of striking.

Because paddle blade has certain length, and paddle blade is not when rotated in order to be subjected to stopping of adjacent paddle blade axle, so the spacing of each paddle blade axle need be considered the length of paddle blade when design, the moving radius of paddle blade around the paddle blade axle got out of the way, like this under the long situation of paddle blade, the paddle blade negligible amounts that can install on the paddle wheel, in the process that boats and ships are advanced, can produce and jolt as the pulsed of manpower r Zweier, the reason that produces is that paddle blade hull when striking accelerates to advance, when paddle blade will be left the water, the firm entry of the paddle blade of back does not also begin to strike, this moment, hull was because having lost the power that paddle blade is struck, slowed down by the drag effects of water suddenly, jolting like this makes people or goods on the boats and ships sustain damage easily, the resistance that single paddle blade of while is subjected to is big, damage paddle blade easily, in order to address this problem, described secondary paddle wheel is a plurality of, be equipped with by chain cable fairlead 10 on one or more paddle blade axle on one-level paddle wheel and the secondary paddle wheel, being linked by chain by chain cable fairlead of one-level paddle wheel and secondary paddle wheel, each is identical with the number of teeth by the diameter of chain cable fairlead

Each paddle wheel has paddle blade striking along the paddle blade of the circumferential arrangement certain angle that staggers mutually so constantly under water, improves the stability of ship's navigation, has also reduced the stressed of single paddle blade, increases the service life of paddle blade.

More than realize that with theory of machines paddle blade vertically strikes, introduce below by electric power control paddle blade axle and rotate, can better control the paddle blade entry, strike and the angle during water outlet.Detailed technical scheme is that the spindle nose at described each paddle blade axle installs retarder additional, electrical motor is housed on the retarder, the paddle blade spindle nose is connected with the power take-off shaft of retarder 12, the retarder power input shaft is connected with electrical motor 13 power take-off shafts, each retarder and electrical motor are contained on the paddle wheel circumference, and are electrically connected with paddle blade rotary corner controller 15 respectively by lead.

Described paddle blade rotary corner controller places in the hull, it gathers water velocity sensor 17, the data of draft sensor 16 and paddle wheel angle of eccentricity sensor 18, auxiliary control paddle blade axle rotates also comprises actuator 11 and paddle blade shaft angle degree sensor 14, the paddle blade rotary corner controller is installed in the hull, actuator is installed on the paddle wheel, the water velocity sensor is connected with hull under the waterline in the hull outside, the draft sensor is connected with hull in the hull outside, one end of each paddle blade axle all is equipped with paddle blade shaft angle degree sensor, detection axis and the paddle blade axle of paddle blade shaft angle degree sensor are connected, each electrical motor is connected with actuator by electric wire with paddle blade shaft angle degree sensor, each paddle blade shaft angle degree sensor is connected with actuator by data line, actuator is connected with the paddle blade rotary corner controller with data line by electric wire, the paddle blade rotary corner controller by electric wire and data line respectively with the water velocity sensor, the draft sensor connects.

The main effect of paddle blade rotary corner controller is that the data that water velocity sensor, draft sensor and paddle wheel angle of eccentricity sensor monitor are carried out analytical calculation, the rotational angle that calculates each paddle blade axle of back is flowed to actuator, running and the start and stop of the Data Control electrical motor that actuator provides by paddle blade rotary corner controller and paddle blade angular transducer.Actuator also is responsible for the electric power of boats and ships is flowed to each electrical motor and paddle blade shaft angle degree sensor, but actuator is installed on the paddle wheel, can together rotate with paddle wheel, common electric wire connection mode can make electric wire be wrapped on the paddle wheel main shaft, this way to solve the problem is at groove of paddle wheel main shaft processing, the powered wire of actuator and data line placed introduce in the hull in the groove, paddle wheel main shaft in hull is peripherally equipped with several conducting slip rings, at the ring of conducting slip ring between the inboard and paddle wheel main shaft by the insulating material support fixation, the conduction brush that is fixed on the brush riding is housed outside conducting slip ring, and these slip rings and brush are responsible for the electric power in the hull and data are flowed to the actuator that is installed on the paddle wheel.

Described electrical motor can be the electrical motor that servomotor torque constant, stepper motor etc. can start fast, brake and reverse; wherein servomotor torque constant after shutdown some phase winding as still keeping "on" position; also has self-lock ability; servomotor torque constant is when control voltage is zero; spinning can be stopped immediately, the paddle blade job requirement that a kind of boats and ships of the utility model are used the paddlewheel propulsion device can better be satisfied.

The advantage of paddle steamer is manoeuvrable, especially more important to towboat, two cover paddlewheel propulsion devices are contained in the both sides of boats and ships respectively, but all individual drive and operations of every cover paddlewheel propulsion device, when two cover paddlewheel propulsion devices are done opposite running, boats and ships are formed powerful horizontal torque, boats and ships can be at pivot stud, so the paddlewheel propulsion utensil has the character of operation can't be obtained of propeller, the practicality of having given prominence to the paddlewheel propulsion device more in the harbour that blocks up day by day and little navigation channel, thrust when increasing paddle blade area can improve low cruise, strengthen the paddle wheel diameter and can improve ship speed, the paddle wheel of huge rotation can increase aesthetic feeling and the visual enjoyment of pleasure boat allusion, improves visitor's excitement.

A kind of boats and ships of the present utility model have solved the shortcoming of old-fashioned paddlewheel propulsion device with the paddlewheel propulsion device, make its propulsion coefficient height, forward-reverse is strong equally, turn to more flexible, increased the propelling unit of up-to-date technology for the power system of boats and ships, for the mankind's water transport history has been composed new chapter, to waterborne vessel energy-saving and emission-reduction, the effect of increasing the benefit significantly.

Claims

1. boats and ships paddlewheel propulsion device, comprise hull, stretch out the paddle wheel main shaft (8) of hull both sides, be contained in one-level paddle wheel (6) and secondary paddle wheel (1) on the paddle wheel main shaft, some paddle blade axles (3) are housed on each paddle wheel circumference, (9) limits of each paddle blade axle and paddle blade are connected, it is characterized in that: the spindle nose of described each paddle blade axle is connected with the power take-off shaft of retarder (12), the retarder power input shaft is connected with electrical motor (13) power take-off shaft, each retarder and electrical motor are contained on the paddle wheel circumference, and are electrically connected with paddle blade rotary corner controller (15) respectively by lead.

2. a kind of boats and ships paddlewheel propulsion device according to claim 1, it is characterized in that: an end is equipped with driven sprocket (4) on one or more paddle blade axles of described one-level paddle wheel, the paddle blade axle links by driven sprocket, chain (5) and the fixed chain wheels (7) that is sleeved on the paddle wheel main shaft, fixed chain wheels is identical with diameter and the number of teeth of driven sprocket, and fixed chain wheels and hull are connected; Be equipped with on each paddle blade axle of one-level paddle wheel and secondary paddle wheel and lead movable sprocket (2), the adjacent movable sprocket of leading of each paddle blade axle links by chain, and the diameter of respectively leading movable sprocket is identical with the number of teeth; Be equipped with by chain cable fairlead (10) on one or more paddle blade axle on one-level paddle wheel and the secondary paddle wheel, being linked by chain by chain cable fairlead of one-level paddle wheel and secondary paddle wheel, respectively identical with the number of teeth by the diameter of chain cable fairlead.

3. a kind of boats and ships paddlewheel propulsion device according to claim 1 and 2, it is characterized in that: the secondary paddle wheel is a plurality of.